Flying Squirrel Posted August 8, 2023 Share Posted August 8, 2023 I've got a couple of ECS where the labels are missing, I think they are 40A - 60A range but is there a way of confirming or testing them? Or is it a case of bench running them with a wattmeter and monitoring the temperature or something? Quote Link to comment Share on other sites More sharing options...
Simon Chaddock Posted August 12, 2023 Share Posted August 12, 2023 Flying Squirrel You can sometimes get an idea of an ESC's rating by comparing the type and number of output capacitors to one where you do know the rating but it is not fool proof.. The problem is the working part of the ESC is entirely electronic so over load it with too many volts and it fails, instantly! However virtually all ESCs are ok for 3s. On the other hand draw too many amps and it will over heat but again the bits that are doing the work is inside the 'chips'. It takes time for the heat generated to be absorbed by the heat sink and be noticeable through the shrink wrap. The chances are if you are over loading the design rating amps by more than say 10% it will likely fail before the heat becomes noticeable. After all the conventional wisdom is to measure the max amps of an installation to ensure the amps are no more than 80% of the ESCs rating. Those ESC labels are important. Quote Link to comment Share on other sites More sharing options...
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